//package com.zjl.legendary.web;
//
//import javax.servlet.ServletOutputStream;
//import javax.servlet.annotation.WebServlet;
//import javax.servlet.http.HttpServletRequest;
//import javax.servlet.http.HttpServletResponse;
//import java.io.FileInputStream;
//import java.io.IOException;
//import java.net.URLEncoder;
//
///**
// * @author zhoujingluo
// * @date 2021/5/28 7:46
// */
//@WebServlet("/api/file")
//public class FileServlet extends BaseServlet {
//    
//    public String getModel(HttpServletRequest req, HttpServletResponse resp) throws IOException {
//        //获取请求下载的文件名
//        String fileName = req.getParameter("file");
//        //设置响应头
//        resp.setHeader("Content-Disposition","attachment;filename="+ URLEncoder.encode(fileName,"utf-8"));
//        //获取供用户下载文件的文件夹的真实路径
//        String downloadPath = req.getServletContext().getRealPath("/WEB-INF/file");
//        //将本地文件读取到流中
//        FileInputStream fis= new FileInputStream(downloadPath+"/"+fileName);
//        //获取响应输出流
//        ServletOutputStream os = resp.getOutputStream();
//        //边读边写，供用户下载文件
//        byte[] buffer = new byte[1024];
//        int count = 0;
//        while ((count = fis.read(buffer)) != -1){
//            os.write(buffer,0,count);
//        }
//        //下载完毕关闭流
//        os.close();
//        fis.close();
//        //用户下载完模板之后重定向到上传文件页面
//        return "redirect:/questionupload.jsp";
//    }
//}
